RetroShare

Meebo is integrated, all-in-one instant messaging (IM client) that connects you with your friends everywhere. It supports a large number of popular servicesand connects you to MSN, Yahoo, AOL/AIM, MySpace, …

With Live Messenger you can chat online instantly in real time with friends, family and colleagues. Its faster than e-mail, more discreet than a phone call. Formerly known as MSN …

Imo instant messenger is a web-based service with video and voice chat functionality. imo's web messenger and mobile messenger apps let you IM your friends with AIM, Facebook, Google Talk, …

With the rise of widespread government monitoring programs, Tox is an easy to use application that allows you to connect with friends and loved ones without anyone else listening in. …

TorChat is a peer to peer instant messenger with a completely decentralized design, built on top of Tor's location hidden services, giving you extremely strong anonymity while being very easy …

pMessenger is a Cross platform Messenger (iPhone, Android, BlackBerry, and soon Nokia, WM7, Java phones) with Text/Picture/Video/Vocal/Group Chat/Image/Status updates/Acknowledgement of receipt (D/R)! ...

Zen Talk is a web-based application for instant messaging. -1267 times lighter than Facebook. -319 times lighter than Facebook Mobile. -686 times lighter than Meebo. -Lightning-fast chat. -No adds. -Save …

GoldBug is a secure Instant Messenger. You can be sure with using GoldBug (GB), that no third party can look into your chat communication. Private user-to-user communication remains private. GoldBug …